<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <a href="/userController/toLogin">请先登录</a>
    <a th:href="/couponController/addCoupon/${sellerId}">点击领取优惠券</a>

</body>
</html>